Phytoestrogens

Phytoestrogens/Nutrient Depletion:

  • GlucoseGlucose: A significant decrease in the fasting blood glucose, fasting insulin levels, and insulin resistance was observed after treatment with phytoestrogens derived from soy supplements or flaxseed in several clinical trials conducted in postmenopausal women (6; 7; 8).
  • LipidsLipids: In postmenopausal women, several studies reported that dietary phytoestrogens derived from soy supplements significantly lowered total cholesterol, low density lipoprotein-cholesterol, and triglyceride levels and increased high-density lipoprotein cholesterol levels, due to its hypolipidemic effects (11; 12; 7).
  • ZincZinc: According to secondary sources, soy may interfere with zinc absorption.